Home / 1,480,612.96-2,220,574.38-415,757.80

Finding the Fourth Proportional to 1,480,612.96, 2,220,574.38 and 415,757.80

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Solution

The fourth proportional to 1,480,612.96, 2,220,574.38 and 415,757.80 is: 623,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,612.96 : 2,220,574.38 = 415,757.80 : x
  2. Step 2: Convert to fraction form
    1,480,612.96/2,220,574.38 = 415,757.80/x
  3. Step 3: Cross multiply
    1,480,612.96x = 2,220,574.38 × 415,757.80
  4. Step 4: Simplify right side
    1,480,612.96x = 923,221,118,965.16
  5. Step 5: Solve for x
    x = 923,221,118,965.16/1,480,612.96
  6. Step 6: Final answer
    x = 623,539.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.